A father's search finds reason for daughter's epilepsy

Research scientist Michael Hammer, center, has identified the genetic source of epilepsy for 7 of 10 teenage patients in an initial study, a breakthrough that could lead to treatment for the severe form of childhood epilepsy that took the life of Hammer's teenage daughter. He is with Laurel Johnstone and Ryan Sprissler in a lab at the Bio5 Institute's Thomas W. Keating Bioresearch Building.